What is retroperitoneal fibrosis?

Chronic scarring: Idiopathic retroperitoneal fibrosis is a chronic non-specific inflammation of the retroperitoneum, which can entrap and obstruct important structures, notably the ureters. The average age of diagnosis is about 55 years and the male:female ratio was 3:1. Options for treatment include corticosteroids, other immunosuppressive and hormonal treatment (such as tamoxifen), as well as surgery.

Severe fibrosis: like that of severe scar formation , reasons are not clear ( unknown ) This severe scaring cause obstruction , to various organs to get choked like ureters , blood vessels etc causing renal failure etc . Speak to your doctor .